LTC2923 Linear Technology, LTC2923 Datasheet - Page 6

• Manufacturer Part Number: LTC2923
• Description: Power Supply Tracking Controller
• Manufacturer: Linear Technology

FU CTIO AL BLOCK DIAGRA
LTC2923
6
U
U
10
9
5
3
4
2
PIN NUMBERS IN PARENTHESES CORRESPOND
TO THE 10-LEAD MSOP PACKAGE
ON
STATUS
SDO
RAMPBUF
TRACK1
TRACK2
1.2V
0.4V
1×
+
–
–
+
W
SHORT-CIRCUIT
FAULT LATCH
R
S
Q
Q
V
V
V
CC
6
1
+
–
+
–
CC
CC
GND
0.8V
0.8V
ONSIG
ONSIG
V
GATE > RAMP + 4.9V
CC
RAMP < 100mV
– RAMP > 200mV
RAMP > V
CHARGE
V
4.9V
0.2V
PUMP
CC
–
+
–
+
–
+
< 2.6V
10µA
10µA
CC
GATE
V
V
0.1V
V
2.6V
CC
CC
CC
RAMP
GATE
FB1
FB2
www.DataSheet4U.com
11
12
8
7
2923 FBD
(9)
(10)
2923fa